Finding the Fourth Proportional to 720,076.18, 1,080,267.36 and 246,634.42
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Solution
The fourth proportional to 720,076.18, 1,080,267.36 and 246,634.42 is: 370,004.07
Step by Step Solution
- Step 1: Write the proportion equation
720,076.18 : 1,080,267.36 = 246,634.42 : x - Step 2: Convert to fraction form
720,076.18/1,080,267.36 = 246,634.42/x - Step 3: Cross multiply
720,076.18x = 1,080,267.36 × 246,634.42 - Step 4: Simplify right side
720,076.18x = 266,431,113,778.53 - Step 5: Solve for x
x = 266,431,113,778.53/720,076.18 - Step 6: Final answer
x = 370,004.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.